- Difficulty date
- October 19, 2022
- Submitted
- November 14, 2022
- Operation
- Air carrier
- Aircraft
- N403WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29815
- Aircraft time
- 72,717 hours, 43,173 cycles
- Part
- Rib
- Condition
- Cracked
- Location
- Horizontal Stab
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH HORIZONTAL STABILIZER LEADING EDGE RIB 5 CRACKED. REMOVED #5 RIB AT R/H HORIZONTAL STAB L/E IAW SRM 51-40-02-0G-0. LOCATED AND DRILLED NEW RIB #5 AT R/H HORIZONTAL STAB L/E IAW SRM 51-40-05-0G-0. INSTALLED NEW #5 RIB AT R/H HORIZONTAL STAB L/E IAW SRM 51-40-02-0G-0.